CN2410748Y - Electric resonant element antenna - Google Patents
Electric resonant element antenna Download PDFInfo
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- CN2410748Y CN2410748Y CN 00211128 CN00211128U CN2410748Y CN 2410748 Y CN2410748 Y CN 2410748Y CN 00211128 CN00211128 CN 00211128 CN 00211128 U CN00211128 U CN 00211128U CN 2410748 Y CN2410748 Y CN 2410748Y
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Abstract
The utility model relates to an electric resonant element antenna which is composed of an antenna array in annular uniform arrangement by a bracket 100, a center isotropic antenna resonant element 99 and an eight-unit dipole antenna resonant element, wherein the upper and the lower ends of a driving box 10 of each unit antenna resonant element are separately provided with insulating sleeve barrels 1 and 1' which are both provided symmetrically with the same inner structure. The antenna resonant element has the types of a metal sheet rolling type, a metal sheet nesting type, a metal pipe nesting type and a metal extension spring type. A resonant mechanism has the types of a screw rod type, a pulley drawing wire type and a nylon rack bar type. The antenna resonant element and the resonant mechanism can be combined and driven by a motor to make the antenna telescopic. An exit button switch and a light emitting diode form a control box which can monitor radio signals of different frequency bands.
Description
The utility model belongs to the radio monitoring technical field.
Existing radio monitoring and the employed antenna in direction finding field are that radio-frequency spectrum is divided into several sections, make the antenna oscillator of the length that adapts by frequency band.In radio monitoring and direction finding work, often need change the operating position of frequency range monitoring frequency.Existing direction-finder antenna is an axle with center omnidirectional element antenna (reference antenna), is annular and is uniform-distribution with eight elementary dipole antenna arrays, divides three cover length different antenna oscillators, is operated in three frequency ranges respectively, amplifies and demodulation for receiver.The length of three sections oscillators is respectively: 480 millimeters, 200 millimeters, 100 millimeters.The frequency band of their resonance is respectively: 80-200MHZ, 200-400MHZ, 400-750MHZ.During use, then need artificial nine groups of totally ten seven antenna oscillators of changing, just can change the frequency range monitoring.Change the task of antenna, dependent manual operation is very inconvenient.
The purpose of this utility model is a kind of electronic tuning element antenna of design, solves to rely on manpower to change the problem that antenna is time-consuming, require great effort in the past.
What this antenna emphasis was described is to provide instruction by artificial Push switch, and the task of changing antenna oscillator is gone the technology finished by electromechanical assembly.Perhaps use the method for computer programming, for example: when the frequency values hundred megabit numbers of computer keyboard input are 4 or 2, provide the instruction of transposing antenna oscillator, finish and be assigned a new job.For easy to use, be designed in three band frequencies, to carry out continuously tuning, also can in two band frequency scopes, carry out continuous tuning with less step-length.
Design philosophy of the present utility model is, with the elongation that solves antenna oscillator with shorten to core, adopts power drive, and can control and monitor it.
In order to help understanding and narrate conveniently, at first draw accompanying drawing, several embodiment are described in conjunction with the accompanying drawings again, derive overall technological scheme then.
Fig. 1: the utility model stereogram;
Fig. 2: sheet metal nested type oscillator, the mechanism that screw rod is tuning;
Fig. 3: sheet metal furls the formula oscillator, the mechanism that the pulley backguy is tuning;
Fig. 4: metal tube nested type oscillator, the mechanism that the nylon tooth bar is tuning;
Fig. 5: metal tube nested type oscillator, the mechanism that screw rod is tuning;
Fig. 6: metal Extension Spring-type oscillator, the mechanism that the pulley backguy is tuning;
Fig. 7: the tuning actuator of centralized driving;
Fig. 8: drive tuning actuator respectively;
Fig. 9: centralized control mechanism stereogram;
Figure 10; Centralized driving mechanical tuning device stereogram;
Figure 11: drive tuner control circuit figure;
Figure 12: terminal monitors control circuit figure.
Below the utility model is narrated respectively:
One, sheet metal nested type oscillator, the screw rod mechanical tuning device.
As shown in Figure 2, antenna oscillator 8 is the sheet metal nesting type structure.In two examples up and down of antenna driving box 10, the insulating sleeve 1 and 1 that symmetry is installed ' identical, cutting insulated tube 1 open has: antenna oscillator 8, tuning screw rod 2, slip screw mother 12, antitorque crank slot 11, guarantee that antenna oscillator 8 prolongs groove and does mechanisms such as rectilinear motion up and down.A1 to A10 be electric contact in circuit Figure 11,12 A1 and B1, A2 and B2, A3 and B3, A4 and B4, A5 and B5, A6 and B6, A7 and B7, A8 and B8, A9 and B9, A10 and B10, A11 and B11 by the mutual UNICOM of line of quiet plate 18.
Operation principle is: motor 7, one, drive screw rod 2, and can tuned antenna oscillator 8, do rectilinear motion up and down, when motor 7 rotated, oscillator increased simultaneously up and down, shortened simultaneously.The 2nd, drive step-length control, 7 in motor cogs 16, drives reduction gearing 17, drives minor spiral bar 5 rotation at a slow speed, promotes cursor slide 4 and do rectilinear motion on minor spiral bar 5.When needs stopped tuned antenna oscillator 8, cursor slide 4 just pressed sensitive switch 6 ", the power supply of cut-out motor 7, driving stops.Arrive the longest point and the shortest some place at tuning oscillator, if one stirs the connecting rod that changes electrode switch 55, before returning driving, press sensitive switch 6 ' or 6 "; simultaneously, stir and change electrode switch 55, reach conversion motor 7 power positive cathodes; when making next tuning oscillator 8, the purpose that motor 7 rotates to Return-ing direction.
The course of work is as follows: when antenna oscillator 8 is in the longest point (480 millimeters) when locating, can monitor the electromagnetic wave of 80-200 megahertz.At this moment, the sensitive switch 6 among circuit Figure 11 ' armature contact 2 be in off-state with contact 3, contact 2 is connected with contact 1.Motor 7 stops, among Figure 12 light-emitting diode 81 bright, change electrode switch 55 and convert readjustment (opposite) mode to original electrode.
If will monitor the electromagnetic wave of 200-400 megahertz, it is the downward modulation mode, the length of oscillator 8 should be transferred to the position that intermediate point (200 millimeters) is located, need press the switch W of Figure 12, press W and kept for 3 seconds, knob W among Figure 12 connects, equal sensitive switch 6 ' armature contact 2 connect with contact 3, motor 7 through gear 17 and minor spiral bar 5 drive cursor slides 4 break away from sensitive switches 6 ', light-emitting diode 81 among Figure 12 extinguishes, and motor 7 begins automatic tuning antenna oscillators 8 and locates to move to intermediate point (200 millimeters).When antenna oscillator reaches 200 mm lengths, the axle of drive motors 7 cursor slide 4 that 16 minor spiral bars 5 on change-speed gearing 17 and its axle drive that cogs is done rectilinear motion, just press sensitive switch 6 " armature contact 2, see that Figure 11 disconnects with contact 1 it and contact 3 and connects.At this moment, motor 7 stops, light-emitting diode 82 drivings bright, the tuned antenna oscillator are temporarily stopped among Figure 12.
Still if will monitor the electromagnetic wave of 400-750 megahertz the time, also be the downward modulation mode, then need with antenna oscillator 7 be tuned to the shortest point (100 millimeters) locate.Need press the switch W among circuit Figure 12, as Push switch W and after keeping for 3 seconds, sensitive switch 6 " armature contact 2 be switched on contact 3; 7 in motor cogs and 16 drives cursor slides 4 through change-speed gearing 17 and minor spiral bar 5 and break away from sensitive switches 6 " armature contact 2, seeing that Figure 11 armature contact 2 and contact 3 are connected with contact 1 disconnects, and light-emitting diode 82 extinguishes, motor 7 beginning automatic tuning antenna oscillators 8 and locate to move to the shortest point (100 millimeters).When antenna oscillator reaches 100 mm lengths, the axle of drive motors 7 cursor slide 4 that 16 minor spiral bars 5 on change-speed gearing 17 and its axle drive that cogs is done rectilinear motion, just press the armature contact 2 of sensitive switch 6 , see that Figure 11 disconnects with contact 1 armature contact 2 and contact 3 and connects, simultaneously, stir and change electrode switch 55, convert readjustment (opposite) mode to original electrode.At this moment, motor 7 stops, light-emitting diode 83 drivings bright, the tuned antenna oscillator are temporarily stopped among Figure 12.
When monitoring 200-400 megahertz electromagnetic wave again, it is the rise mode, needing that antenna oscillator 8 is adjusted back to intermediate point (being 200 millimeters of oscillator 8 length) again locates, that is petty presses among circuit Figure 12 switch W again and kept for 3 seconds, the armature contact 2 of sensitive switch 6 is connected with contact 3, the armature contact 2 that the cursor slide 4 that motor 7 drives through gear mechanism breaks away from sensitive switch 6 , armature contact 2 is connected with contact 1 with contact 3 and is disconnected, light-emitting diode 83 extinguishes, beginning tuned antenna oscillator 8 again drives to growing direction, when reaching 200 mm lengths, cursor slide 4 just presses sensitive switch 6 " armature contact 2; see that Figure 11 disconnects it and contact 3, connect that light-emitting diode 82 is bright; motor 7 stops; the driving of tuned antenna oscillator 8 is temporarily stopped with contact 1.What should point out emphatically is that cursor slide 4 does not drive and changes electrode switch 55 when the position that arrival intermediate point (200 millimeters) is located.
If monitor the electromagnetic wave of 80-200 megahertz again, it is the rise mode, needing that antenna oscillator 8 is adjusted to peak (480 millimeters) again locates, press the switch W of Figure 12 again, press W and kept for 3 seconds the sensitive switch 6 among circuit Figure 11 " armature contact 2 connect with contact 3; motor 7 is through the promotion of gear 17 and minor spiral bar 5; cursor slide 4 breaks away from sensitive switches 6 ", light-emitting diode 82 extinguishes, motor 7 beginning automatic tuning antenna oscillators 7 are also located to move to peak (480 millimeters).When antenna oscillator reaches 480 millimeters when locating, the axle of drive motors 7 cursor slide 4 that 16 minor spiral bars 5 on change-speed gearing 17 and its axle promote that cogs is done rectilinear motion, just press sensitive switch 6 ' armature contact 2, see that Figure 11 disconnects armature contact 2 and contact 3 and contact 1 is connected, simultaneously, stir and change electrode switch 55, convert readjustment (opposite) mode to original electrode.At this moment, motor 7 stops, light-emitting diode 81 drivings bright, tuned antenna oscillator 8 are temporarily stopped among Figure 12.
If will monitor the electromagnetic wave of 200-400 megahertz frequency range again, first downward modulation mode that then repeats to describe in the above-mentioned course of work.
But but quiet plate 18 flush antennas of the plug-and-play feature among Fig. 2 drive the moving slot 14 on the box, and the lower end of moving slot is the porch.Antenna drives bipolar electrode contact A 1-2, A3-4, A5-6, A7-8, the A9-10 of the moving plate 19 on the box, answers with the electrode pair of quiet plate 18 respectively, and is connected to the B1-11 Wiring port of Figure 12 by the electrode connecting line on the quiet plate 18.After moving plate and quiet plate plugged together, circuit will conducting.5 pairs of electrodes on the quiet plate 18 have lead to pick out respectively, give the receiving equipment transmission signals except that A5-6 is connected to high frequency cable, and other each contact in turn is connected to B1-2, B3-4, B7-8, the B9-10 of terminal monitors control circuit board at Figure 12 by lead.The digital title of on Fig. 2 each: 1 and 1 ' insulating cylinder, 2 insulation screw rods, 4 cursor slides, 5 Helical Tube on Steam Generator, 6 ' 6 " 6 sensitive switches; 7 motors; 8 antenna oscillators; 10 antennas drive box; the anti-distortion of symmetry groove in 11 insulating cylinders; 12 sliding nuts, 13 antenna oscillator radiofrequency signal contacts, 14 active plugboard grooves, 16 upper gear of motor shaft, 17 reduction gearing, 18 quiet plates, 19 active plugboards, 20 antenna waterproof are emitted, electric contact on the 22 quiet plates, 23 antennas and control line outlet, 24 quiet plate bracing frames, 55 change electrode switch, A1-2 sensitive switch lead contact, A3-4 sensitive switch and terminal knob W lead contact, A5-6 antenna radio frequency leads contact, A7-8 control and signal contact, A9-10 direct current supply contact.This mechanical tuning device,, spiral tension spring formula wrap-up, metal tube nested type, nylon tooth bar driven type antenna etc. applicable to tuning sheet metal nested type, sheet metal.
Two, sheet metal furls the formula oscillator, the mechanism that pulley line is tuning.
As shown in Figure 3, antenna oscillator 8 furls the formula structure for sheet metal, in collecting box 18, is curled into annulus by stalloy, produces the internal stress of unrolling, and sheet metal oscillator 8 can be collected in the box.Drive the both sides up and down of box 10 at antenna, symmetry install insulating sleeve 1 and 1 ' both are identical, cutting insulated tube 1 open has: antenna oscillator 8, tuning backguy 2, top fixed block 3, leading block 15, antenna drive in the box 10 and are provided with tuning pulley 12, by motor-driven pulley and backguy, when pulley 12 rotates, oscillator should increase simultaneously or shorten simultaneously up and down, adjusts oscillator length up and down together simultaneously.Sheet metal nested type oscillator in the control in the driving and aforementioned one, the process unanimity in the spiral rod type mechanical tuning device.The principle of plug and play is also identical, no longer describes here.Numbering title among Fig. 3: 4 cursor slides, 5 screw rods, 6 sensitive switches, 7 motors, 9 drive link, 11 anti-distortion grooves, 14 active plugboard grooves, 16 upper gear of motor shaft, 19 active plugboards, 20 rainproofly emit, 55 change electrode switch, A1-2 sensitive switch lead-in wire point, A3-4 sensitive switch lead-in wire point, A5-6 antenna radio frequency leads point, A7-8 signal and control lead-in wire point, A9-10 DC power supply lead-in wire point.
Three, metal tube nested type oscillator, the mechanism that the nylon tooth bar is tuning.
As shown in Figure 4, antenna oscillator 8 adopts metal tube nested, the structure of nylon tooth bar push-and-pull, basic comprising is: have in the four stupefied grooves 21 that insulate (with 21 ' identical) nylon tooth bar 2 and 2 ', the four stupefied grooves 21 that insulate advance the groove end at the nylon tooth bar and establish that an anti-distortion card 3 and 3 ' it can prevent the distortion of nylon tooth bar.When antenna oscillator 8 withdrawals, the four stupefied grooves 21 that insulate can be deposited unnecessary nylon tooth bar.The bottom of center pole connection nylon tooth bar 2 or 2 in the metal tube of antenna oscillator 8 ', enable to drive antenna oscillator 8 and do straight line push-and-pull campaign, when gear 12 rotated, oscillator should increase simultaneously or shorten simultaneously up and down.Can adjust the length of antenna oscillator 8 simultaneously.Tuning part by worm screw 16 worm gears 17 drive a reduction gearing 6 finish push-and-pull nylon tooth bar 2 and 2 ' function, drive by motor here.The visible Fig. 9 of the control of motor is described in addition.Other numbering title among Fig. 4: 1 antenna insulating cylinder, 7 motors, 10 antennas drive that box, 13 antenna radio frequency leads points, 14 movable slots, 15 nylon tooth bar passage walls, 20 anti-rainwater emit, A1-2 radio frequency lead-out wire point, A9-10 motor power lead-in wire point.
Four, metal tube nested type oscillator, the mechanism that screw rod is tuning.
As shown in Figure 5, antenna oscillator 8 adopts metal tube nested, the structure that screw rod is tuning, basic comprising is: be with metal tube nested type oscillator 8 in the external insulation tube 99, in metal tube, be installed with insulation screw rod 22, when screw rod 22 is passed through worm screw 36 by motor 7, screw rod 22 rotated simultaneously when worm gear 37 rotations drove, tuning lower slider nut 23 at screw rod 22 can move with the screw thread straight line on screw rod 22, for preventing that sliding nut 23 from also together rotating with screw rod 22, interior bilateral symmetry at insulating cylinder 1 is provided with the groove parallel with insulating cylinder 21, and sliding nut 23 can only be done straight line and move in groove.The plug and play mode of omnidirectional antenna is unusual, adopts interlock assembly to have rainproof water function with gib head locking.The moving plate 19 that the antenna of the control of motor by plug and play drives box 10 bottoms be provided with a pair of electric contact 9 and 9 ', when antenna driving box 10 inserts firmly with quiet plate 18, the slope that antenna drives the box inboard will be blocked by latch hook mechanism 33,34, a pair of motor down- lead contact 9 and 9 on the moving simultaneously plate 19 ' with quiet plate 18 on contact 5,5 ' conducting.This to electric contact 9 and 9 ' through the lead-in wire with Figure 11 in A4 and the electric connection of A8.Control section is described in the centralized control of Fig. 8 in addition.Fig. 5 numbers title: 29 antenna oscillator electric contacts, 49 radiofrequency signals conduction reed, 99 insulating cylinders.
Five, metal Extension Spring-type oscillator, the pulley line mechanical tuning device.
As shown in Figure 6, antenna oscillator 8 adopts metal extension spring forms, by the tuning structure of pulley 12 and backguy 2.On antenna driving box 10, have insulating cylinder.Two insulating cylinder internal structure unanimities are analysed and observe and are gone up insulating cylinder 1 as seen up and down, and the top is provided with a fixed block 3, and an end of backguy 2 is fixed on the top of metal extension spring, up and down rectilinear motion.Drive the inside of box 10, be provided with the tuning pulley 12 of a worm screw 17 worm gears 16, the backguy 2 of two antenna oscillators is wrapped in respectively on the pulley 12 up and down, and when pulley 12 rotated, oscillator should increase simultaneously or shorten simultaneously up and down.When needs were adjusted frequency range, backguy 2 lifted oscillator 8 respectively, when needs are adjusted back, and the worm and wormwheel counter-rotating, the metal extension spring is put back in backguy 2.Actuating force adopts backguy to see that in a centralized driving controlling organization Figure 10 passes through two nylon tubes conduction and introduces pulley drive nose bar 34 on the quiet plate 18 of plug and play Fig. 6.After moving plate 19 in antenna drives box inserts quiet plate 18, pulley drive nose bar 34 on the quiet plate 18 promptly inserts in the groove 4 of moving plate 19, the corner angle that nose bar and groove surfaces are provided with convex-concave mutually coincide and are in the same place, and can drive worm and wormwheel clockwise or be rotated counterclockwise.Control principle is described in addition together.The numbering title of Fig. 6: 5,5 ' antenna radio-frequency connections point to moving slot, 22 radio frequencies on, 14 antenna boxes connect the lead-out wire point to, 23 drive backguys, 32 lead-in wire nylon conduits, 34 tuning nose bars, 42 pulleys.
Six, the tuning actuator of centralized driving.
As shown in Figure 7, the formation of the tuning controlling organization of centralized driving is in each antenna drives box 10, and driven wheel or worm and wormwheel only are installed, and does not all have drive motors and controlling organization.The visible Figure 10 of driving mechanism.By the device of a centralized driving assembly pulley 59,, drive the tuned antenna oscillator by the power of Fig. 8 control section.See that Fig. 9 passes to gear 69 rear drive reduction gearing 70 through conduction by gear 68 in motor 7 driving reduction gearing 67 and finishes the work that the drive pulley group is clockwise or be rotated counterclockwise.The delivery outlet of Figure 10 actuating force is at oo ', pp ', and cc ', dd ', ee ', ff ', hh ', ll ', rr ' also penetrates two nylon tubes by long backguy, and the device that imports to the tuning rotatable tongue and groove of antenna on the quiet plate 18 of nine antenna elements is respectively finished.Control tuning work and finished by the controlling organization of Fig. 9, control principle is asked for an interview the description to Fig. 9 in detail.The numbering title of Fig. 7: 1 insulating cylinder, 2 tuning screw rods, 3 sliding nuts, 4 tongues, 5,5 ' radio frequency lead-out wire point is right, 6,6 ' antenna radio frequency leads point is right, 8 antenna oscillators, 9 oscillator wiring points, 10 antennas drive box, the movable slot of 14 antenna boxes, 15 antenna radio frequencies are drawn reed, 16 gears, 17 reduction gearing, 18 quiet plates, 19 antenna boxes move plate, 20 anti-rainwater emit, 21 anti-distortion grooves, 22 tuning backguys, 23 lead-in wire nylon are two-tube, 28 screw rods, 33 slip screw mothers, 34 tuning nose bars, 35 antenna horizontal struts, 37 anti-distortion grooves, 42 pulleys, 44 pulleys, 47 groove pulleys, 48 quiet plates, 49,59 gib head retaining mechanisms, 53 backguys, 54 antenna radio frequency contact, 56 antenna radio frequencies are drawn reed, 57 reduction gearing, the two nylon tubes of 58 lead-in wires, 99 center omnidirectional antennas.
Seven, drive tuning centralized control mechanism respectively.
As shown in Figure 8, in each antenna drives housing unit, a motor 7 is installed, respectively tuning antenna oscillator separately.Wherein, the plug and play mode of the omnidirectional antenna at center is different with peripheral antenna element, and the interlock assembly of setting has gib head locking to have rainproof water function.Control section is independent, finishes control to ten antenna element motors by a cover controlling organization.For ease of understanding, described referring now to 9 pairs of mechanical control devices of stereogram.This controlling organization also can install in antenna drives box and use.
The operation principle of centralized control mechanism is: see shown in Figure 9, this electromechanical assembly, the one,, the segmentation drive controlling, motor 7 through change-speed gearing 67 drive screw rods 41 drive big cursor slide 45 can sensitive switch 6 ', 6 ", parallel moving between 6 , finish pressing 3 sensitive switches 6 ' or 6 " or 6 , stir actions such as changing electrode switch 55.What should propose especially is, nine antenna oscillators tuning is to carry out simultaneously in 45 translation times at big cursor slide.The 2nd,, Continuous Drive control.Motor 38 is a slow speed motor, and its drives step-length control screw rod 51 and rotate at a slow speed, promotes little cursor slide 11 and controls in step-length and do straight line on the screw rod 51 and move.Little cursor slide 11 is provided with the sensitive switch 6 among Figure 11 " (Figure 11,12 with Fig. 9 in stereo circuit switch, mechanism corresponding one by one).When big cursor slide 45 just presses sensitive switch 6 ", the power supply of cut-out motor 7, driving stops.If need the continuous tuning antenna, as long as the W1 that presses among circuit Figure 12 in terminal is equivalent to power up to motor 38, little cursor slide 11 continues to move forward, and big cursor slide follows the sensitive switch 6 on the little cursor slide " to continue to move forward.Terminal monitors sensitive switch 6 " the position; just can know the length of antenna oscillator; finish; signal is through one group of step-length position signalling line; export;, pass through diode displaying in the LD of Figure 12 mouth input at the WK of Figure 11 mouth by the dry-reed relay that is installed on the tongue tube circuit board in the rectangular permanent magnet device adhesive of the neodymium iron boron that carries on the little cursor slide.As long as big cursor slide 45 moves, all antennas drive in the box motor and are all moving with it and rotate, and that petty antenna oscillator is also moving, and reaches the purpose of tuned antenna oscillator.Because all motors all are connected in parallel on A4, A8 contact and form series loop with three sensitive switches again.Not according to W1, big cursor slide 45 presses sensitive switch 6 up to terminal " armature contact 2 till, they can stop operating.Certainly, be transferred to the end and need return the tuned antenna oscillator, so, when tuning oscillator arrives the longest point and the shortest some place, in the controlling organization of corresponding diagram 9, if one stirs the connecting rod that changes electrode switch 58, before returning tune drive, stirred and changed electrode switch 58, reach the purpose of positive and negative power supply polarity (opposite with the primary electrode) conversion that makes motor 7, in the time of so just making next tuning oscillator 8, motor 7 rotates round about, antenna oscillator 8 is moved to Return-ing direction, also just adjust back all antenna oscillators.
The concrete course of work is as follows: as shown in Figure 8, when each antenna oscillator is in the longest point (480 millimeters) when locating, can monitor the electromagnetic wave of 80-200 megahertz.At this moment be in a stable state, in stereogram 9, can see sensitive switch 6 ' pushed down by connecting rod 58 and big cursor slide 45, just the sensitive switch 6 among circuit Figure 11 ' armature contact 2 be in off-state with contact 3, contact 2 is connected with contact 1.Light-emitting diode 81 conductings of Figure 12 are bright, motor 7 outage stalls, change electrode switch 55 and convert readjustment (opposite with original electrode) mode to.
If will monitor the electromagnetic wave of 200-400 megahertz, it is the downward modulation mode, the length of each antenna oscillator should be transferred to the position that intermediate point (200 millimeters) is located, need press the switch W of Figure 12, press W and kept for 3 seconds, knob W among Figure 12 connects, equal sensitive switch 6 ' armature contact 2 connect with contact 3, the motor 7 of stereogram 9 through reduction gearing 67 drive big cursor slide 45 break away from sensitive switches 6 ', see that Figure 11 disconnects armature contact 2 and contact 1 and gets back to the stable state of connecting with contact 3, the light-emitting diode 81 of Figure 12 extinguishes, motor 7 rotates, antenna drives all motors in the box 10 among Fig. 8, beginning automatic tuning antenna oscillator is separately located to move to intermediate point (200 millimeters) separately.When each antenna oscillator reaches 200 mm lengths, also be that drive motors 7 drives change-speed gearings 67 and just presses sensitive switch 6 with big cursor slide 45 rectilinear motions that the king bolt bar 41 of its coaxial rotation promotes " armature contact 2, see that Figure 11 disconnects with contact 1 armature contact 2 and contact 3 and connects.At this moment, motor 7 stops, each antenna driving box 10 interior drive motors stops, light-emitting diode 82 is bright, and the driving of each tuned antenna oscillator is temporarily stopped.Be not difficult to find out thus, though motor 7 is not tuning in antenna drives box 10,, the drive motors that it and antenna drive in the box is closely bound up, responds to and cooperate with each other across a great distance.
Still if will monitor the electromagnetic wave of 400-750 megahertz the time, also be the downward modulation mode, then need with antenna oscillator 7 be tuned to the shortest point (100 millimeters) locate.Need press the switch W among circuit Figure 12, as Push switch W and kept for 3 seconds, equal sensitive switch 6 ' ' armature contact 2 be switched on contact 3, seeing that 7 in motor among Fig. 9 cogs drives change-speed gearing 67 and drives screw rods 41 and promote big cursor slide 45 and break away from sensitive switches 6 " armature contact 2; among Figure 11 6 " armature contact 2 connect with contact 1 with contact 3 and disconnect, light-emitting diode 82 extinguishes, motor 7 begins to rotate, each antenna drive in box drive motors work automatic tuning separately antenna oscillator 8 and locate to move to the shortest point (100 millimeters).When antenna oscillator reaches 100 mm lengths, the axle of drive motors 7 cogs and drives the straight line that the screw rod 41 on its axle drives big cursor slide 45 through change-speed gearing 67 and move among Fig. 9, just press the armature contact 2 of sensitive switch 6 , see that Figure 11 disconnects with contact 1 armature contact 2 and contact 3 and connects, simultaneously, stir and change electrode switch 55, convert readjustment (opposite) mode to original electrode.At this moment, light-emitting diode is 83 bright, motor 7 stops, each antenna drives that motor stops in box, and the driving of tuned antenna oscillator is temporarily stopped.
When needs are monitored 200-400 megahertz electromagnetic wave again, it is the rise mode, needing that antenna oscillator 8 is adjusted back to intermediate point (being 200 millimeters of oscillator 8 length) again locates, need press among circuit Figure 12 switch W again and kept for 3 seconds, the armature contact 2 that equals sensitive switch 6 is connected with contact 3, motor 7 is through gear, the armature contact 2 that the big cursor slide 45 that screw mechanism drives breaks away from sensitive switch 6 , armature contact 2 is connected with contact 1 with contact 3 and is disconnected among Figure 11, light-emitting diode 83 extinguishes, motor 7 rotations, each antenna driving box 10 interior motors begin tuned antenna oscillator 8 again and drive to growing direction, when reaching 200 mm lengths, big cursor slide 45 just presses sensitive switch 6 " armature contact 2; it and contact 3 are disconnected; connect with contact 1, light-emitting diode 82 is bright; motor 7 stops; the driving that each antenna drives box 10 interior motor tuned antenna oscillators is temporarily stopped.What should point out emphatically is, big cursor slide 45 is pressing sensitive switch 6 arriving the position that intermediate point (200 millimeters) locates " time, never drive and electrode switch 55 is changed in conversion.Certainly, it is not late that office's conversion is set if necessary more yet, but be not now at least.
If monitor the electromagnetic wave of 80-200 megahertz again, it is the rise mode, needing that antenna oscillator 8 is adjusted to peak (480 millimeters) again locates, press the switch W of Figure 12 again and kept for 3 seconds, equal sensitive switch 6 " armature contact 2 connect with contact 3; motor 7 among Fig. 9 drives screw rods 41 through gear 67 and promotes big cursor slide 45 and break away from sensitive switches 6 " armature contact 2, see that Figure 11 armature contact 2 and contact 3 are connected and contact 1 disconnects, Figure 12 light-emitting diode 82 extinguishes, Fig. 9 motor 7 begins rotation, other each antenna drive in box 10 motor automatic tuning separately antenna oscillator and locate to move to peak (480 millimeters).When antenna oscillator reaches 480 millimeters when locating, the axle of seeing Fig. 9 drive motors 7 cogs and drives the straight line that screw rods 41 promote big cursor slide 45 through change-speed gearing 67 and move, just press sensitive switch 6 ' armature contact 2, see that Figure 11 disconnects armature contact 2 and contact 3 and contact 1 is connected, simultaneously, stir and change electrode switch 55, see that Fig. 9 converts readjustment (opposite with original electrode) mode to.At this moment, light-emitting diode 81 drivings bright, that motor 7 stops, other each antenna drives motor tuned antenna oscillator in the box 10 are temporarily stopped.
If will monitor the electromagnetic wave of 200-400 megahertz frequency range again, then repeat the downward modulation mode of first description in the above-mentioned course of work.
This mechanical tuning device furls formula oscillator, spiral tension spring formula oscillator, metal tube nested type oscillator, nylon tooth bar driven type antenna etc. applicable to tuning sheet metal nested type oscillator, sheet metal.
Fig. 8 numbers title: 1 insulating cylinder, 2 tuning screw rods, 3 radio frequency contacts, 5,5 ' quiet plate power supply lead wire point, 6,6 ' antenna radio frequency leads point is right, 7 motors, 8 antenna oscillators, 9 oscillator wiring points, 10 antennas drive box, 11 anti-distortion grooves, 12 sliding nuts, the movable slot of 14 antenna boxes, 16 gears, 17 worm gears, 18 quiet plates, 19 antenna boxes move plate, 20 anti-rainwater emit, 21 anti-distortion grooves, 22 radio frequency lead-out wire points are right, 23 slip screw mothers, 28 screw rods, 33,34 gib head retaining mechanisms, 35 antenna horizontal struts, 36,49 radio frequencies are drawn reed, 37 worm gears, 39 moving plates, 99 center omnidirectional antennas.
In sum, the technical solution of the utility model is as shown in Figure 1, by support 100, center omnidirectional antenna oscillator and eight unit dipole antenna oscillators are the evenly distributed antenna array that is periphery, center omnidirectional antenna oscillator, be metal tube nested type oscillator, perhaps metal Extension Spring-type oscillator, the antenna oscillator that is periphery is: sheet metal nested type oscillator, perhaps sheet metal furls the formula oscillator, perhaps metal tube nested type oscillator, perhaps the mechanical tuning device of metal Extension Spring-type element antenna oscillator has respectively: screw rod, pulley backguy, nylon tooth bar.Its type of drive is that motor is direct, and perhaps driven gear group and worm and wormwheel drive mechanical tuning device.Its control mode is divided into decentralized control and centralized control again, the antenna of decentralized control drives in the box and all is provided with cursor slide switch and contact, and centralized control has the stay cord conduction to drive each antenna oscillator and draws electric lead and come the double form of driven antenna oscillator to the motor in each antenna oscillator.The terminal display part is a light-emitting diode, is contained in the terminal control box with push switch.
As shown in Figure 2, the two ends up and down that antenna drives box 10 install respectively an insulating sleeve 1 and 1 ', two insulating sleeve symmetric arrangement, internal structure is identical, include the mechanical tuning device that sheet metal nested type oscillator 8, screw rod 2 and nut 12 are formed, in antenna drives box, motor 7 is installed, change- speed gearing group 16,17,4 three groups of sensitive switches 6 of Helical Tube on Steam Generator 5 and nut cursor slide ', 6 " and 6 and change electrode switch 55.The upper end of sheet metal nested type oscillator is connected with tuning nut, and the lower end connects antenna oscillator radiofrequency signal contact 13, and motor directly drives tuning screw rod 2, drives minor spiral bar 5 by gear train 16,17 in addition.
To shown in Figure 6, the form of antenna oscillator has as Fig. 2: 1. sheet metal nested type oscillator, 2. sheet metal furls formula oscillator, 3. metal tube nested type oscillator, 4. metal Extension Spring-type oscillator.The form of mechanical tuning device has: (one) screw rod, the backguy of (two) pulley, (three) nylon tooth bar, antenna oscillator can consist of with mechanical tuning device and combine drive form in twos.For example: 1. (one), 1. (two), 1. (three), 2. (one), 2. (two), 2. (three), 3. (one), 4. (one), 4. (two), or the like.
Claims (3)
1, a kind of electronic tuning element antenna, by support (100), a center antenna oscillator, eight unit dipole antenna oscillators are the antenna array that is periphery evenly distributed and constitute, its principal character is that center omnidirectional antenna oscillator is a metal tube nested type oscillator, perhaps metal Extension Spring-type oscillator, every unit dipole antenna is: metal tube nested type oscillator, perhaps sheet metal furls the formula oscillator, perhaps metal tube nested type oscillator, perhaps metal Extension Spring-type oscillator, the mechanical tuning device of antenna oscillator has respectively: screw rod, pulley backguy and nylon tooth bar, its type of drive is motor direct-drive or driven gear group and worm and wormwheel driving mechanical tuning device, its control mode is divided into decentralized control formula and centralized control again, the antenna of decentralized control drives in the box and all is provided with cursor slide switch and contact, centralized control has stay cord to drive each antenna oscillator and draws electric lead and come the double form of driven antenna oscillator to the motor in each antenna oscillator, the terminal display part is a light-emitting diode, is contained in the control box with push switch.
2, electronic tuning element antenna according to claim 1, an insulating sleeve (1 and 1 ') is installed at the two ends up and down that it is characterized in that antenna driving box (10) respectively, two insulating sleeve symmetric arrangement, internal structure is identical, include sheet metal nested type oscillator (8), the mechanical tuning device that screw rod (2) and nut (12) are formed, in antenna drives box, motor (7) is installed, change-speed gearing group (16,17), minor spiral bar (5) and nut cursor slide (4), three groups of sensitive switches (6 ', 6 " with 6 ) and change electrode switch (55); the upper end of sheet metal nested type oscillator is connected with tuning nut; the lower end connects antenna oscillator radiofrequency signal contact (13), and motor directly drives tuning screw rod (2), drives minor spiral bar (5) by gear train (16; 17) in addition.
3, electronic tuning element antenna according to claim 1 and 2, the form that it is characterized in that antenna oscillator has: 1. sheet metal nested type oscillator, 2. sheet metal furls the formula oscillator, 3. metal tube nested type oscillator, 4. metal Extension Spring-type oscillator, the form of mechanical tuning device has: (one) screw rod, the backguy of (two) pulley, (3) nylon tooth bar, antenna oscillator consist of with mechanical tuning device and combine drive form in twos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00211128 CN2410748Y (en) | 2000-03-10 | 2000-03-10 | Electric resonant element antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00211128 CN2410748Y (en) | 2000-03-10 | 2000-03-10 | Electric resonant element antenna |
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| Publication Number | Publication Date |
|---|---|
| CN2410748Y true CN2410748Y (en) | 2000-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00211128 Expired - Fee Related CN2410748Y (en) | 2000-03-10 | 2000-03-10 | Electric resonant element antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388557C (en) * | 2005-12-12 | 2008-05-14 | 德州学院 | Automatic telescopic high-gain antenna |
| CN104787320A (en) * | 2015-04-23 | 2015-07-22 | 张�杰 | Communication anti-interference type four-rotor aircraft |
| CN104787319A (en) * | 2015-04-23 | 2015-07-22 | 张�杰 | Four-rotor aircraft provided with telescopic and foldable undercarriages |
| CN107369880A (en) * | 2017-08-23 | 2017-11-21 | 浙江固特气动科技股份有限公司 | A kind of exterior aerial |
| CN107516760A (en) * | 2017-08-23 | 2017-12-26 | 浙江固特气动科技股份有限公司 | A kind of modified antenna |
| CN109494441A (en) * | 2018-10-29 | 2019-03-19 | 燕山大学 | Parallel rope drives antenna seat mechanism |
-
2000
- 2000-03-10 CN CN 00211128 patent/CN2410748Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388557C (en) * | 2005-12-12 | 2008-05-14 | 德州学院 | Automatic telescopic high-gain antenna |
| CN104787320A (en) * | 2015-04-23 | 2015-07-22 | 张�杰 | Communication anti-interference type four-rotor aircraft |
| CN104787319A (en) * | 2015-04-23 | 2015-07-22 | 张�杰 | Four-rotor aircraft provided with telescopic and foldable undercarriages |
| CN107369880A (en) * | 2017-08-23 | 2017-11-21 | 浙江固特气动科技股份有限公司 | A kind of exterior aerial |
| CN107516760A (en) * | 2017-08-23 | 2017-12-26 | 浙江固特气动科技股份有限公司 | A kind of modified antenna |
| CN107369880B (en) * | 2017-08-23 | 2019-05-24 | 浙江固特气动科技股份有限公司 | A kind of exterior aerial |
| CN107516760B (en) * | 2017-08-23 | 2019-07-16 | 浙江固特气动科技股份有限公司 | A kind of modified antenna |
| CN109494441A (en) * | 2018-10-29 | 2019-03-19 | 燕山大学 | Parallel rope drives antenna seat mechanism |
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